Driving device for switch operation interlocking mechanism

Abstract

The invention belongs to the field of switch equipment, in particular to a switch operation interlocking mechanism. A driving device for the switch operation interlocking mechanism comprises a rotating mechanism arranged inside a mechanism box, a worm gear, a worm and a travel plate, wherein the travel plate is fixed on a spindle of a grounding switch; the rotating mechanism is connected with the worm by a universal joint; the worm is worked with the worm gear; a push rod is fixed on an end of the worm gear; and the travel plate is provided with a travel space, in which the push rod is inserted. The driving device for the switch operation interlocking mechanism has the advantages that the original bevel gear driving is replaced with the cooperated driving of the worm gear and worm, the operation of the rotating mechanism and the switching spindle of a flashboard can be performed at different positions, so that the operation is convenient; meanwhile, the phenomenon of gear sliding or mechanism deformation can be avoided, and the stability of the equipment is improved.

Description

technical field [0001] The invention belongs to the field of switch equipment, in particular to a switch operation interlocking mechanism. Background technique [0002] The operation interlock mechanism of the switchgear is one of the main components of the switch, and it is also the key part that is most prone to safety accidents, such as improper operation, mechanism deformation, interlock failure, etc., which are very prone to accidents such as personal electric shock, system short circuit, or even explosion. lead to widespread power outages. [0003] The function of the switch operation interlock mechanism is to close and open the grounding switch in the switch cabinet, and at the same time interlock with the circuit breaker in the switch cabinet to prevent the grounding switch from being charged and the grounding circuit breaker from being powered. , so as to ensure the safety of switchgear line inspection and maintenance, and prevent personal electric shock and system...

AI Technical Summary

Problems solved by technology

[0004] The current grounding operation interlock mechanism of the switchgear adopts a bevel gear transmission mechanism without a deceleration device, and the operating force is large, which is prone to slipping teeth or mechanism deformation, resulting in the failure of the grounding operation; the operating mechanism and the main shaft of the grounding switch must be on the same horizontal line, otherwise Unable to connect the transmission, lack of flexibility; the interlock mechanism is hard interlock, due to the large operating force, it is easy to damage the interlock parts, resulting in interlock failure; there is no mechanical position indication, and the grounding state is not clear; in this way, it is very easy to cause Accidents caused by faults such as misoperation, mechanism damage, and interlock failure

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